var navs = [{
	"title": "系统管理",
	"icon": "fa-cogs",
	"spread": true,
	"children": [{
		"title": "用户管理",
		"icon": "fa-address-book",
		"href": "user/user_index.php"
	}, {
		"title": "系统日志",
		"icon": "&#xe628;",
		"href": ""
	}]
}, {
	"title": "题库管理",
	"icon": "&#x1002;",
	"spread": false,
	"children": [{
		"title": "试题归类",
		"icon": "fa-table",
		"href": "exam/classify_index.php"
	}, {
		"title": "试题管理",
		"icon": "fa-navicon",
		"href": "exam/question_index.php"
	}]
}];